Water Pollutiuon

______________________ is the introduction of chemical, physical, or biological agents into water that degrade water quality and adversely affect the organisms that depend on the water.

• water pollution
• desalination
• watershed
• potable

Some kids were dumping paint in the local pond. What type of water pollution did they cause?

• Toxic

• Sediment

• Nutrient

• Bacterial

Why does chemical waste need to be disposed of carefully?

• It encourages excessive plant growth

• It contains heavy metals which build up in the tissues of living organisms.

• It is not biodegradable

• It depletes the oxygen levels in the water

Which of the following is an effect of an oil spill?

• Many plants and animals die.

• The fishing industry improves.

• Plant life increases.

• The oil cleans the beaches.

The ozone layer protects us from

• UV rays
• CFCs
• Increased atmospheric heat
• Decreased atmospheric heat

There is nothing we can do to stop water pollution.

• True

• False

What are the main sources of water pollution?

• Agriculture (farming) and industry

• Snails in water

Who does water pollution impact?

• Shrek and his swamp

• Animals only

• Only us people

• Everything on the planet

TRUE or FALSE. Many people on Earth do not have accces to clean water.

• TRUE
• FALSE

TRUE or FALSE: Although water pollution is bad, it doesn't actually cause anything to die.

• TRUE

• FALSE